“retrospective study”的概念、定义、翻译、参考文献-科学参考

单词	retrospective study
释义	retrospective study Encyclopedia 理学临床试验的自适应性设计释 retrospective study观察性研究在自然状态下对研究对象的特征进行观察、记录，并对结果进行描述和对比分析的研究。 Mathematics retrospective study回溯研究
随便看	guild socialism Guild System in West Europe Guilin city Guilin Culture Supply Agency Gui Ling guiling ganlu powder Guilin Guoji Lvyou Shengdi Guilin human settlement planning and construction Guilin Jingjiang King Tomb Museum Guilin Landscape Guilin Lijiang River Scenic and Historic Area Guilin Miaojian tea Guilin Museum Guilin Office Museum of Eighth Route Army Guilin opera Guilin opera music Guilin Opera Troupe of the Guangxi Zhuang Autonomous Region Guilin osmanthus tea Guilin Park Guilin Shi Guilin Zengpiyan Ruins Museum guillaume alloy Guillaume Apollinaire Guillaume, Charles Édouard Guillaume Costeley

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